NCH Corporation Data Breach – Investigated by Federman & Sherwood
May 5, 2026 – Federman & Sherwood, a national consumer protection law firm, is investigating the NCH Corporation data breach, a cybersecurity incident involving unauthorized access to sensitive personal information that was reported to the Attorney General of Maine.
According to the notice, NCH Corporation became aware on or about March 9, 2026, that an unauthorized actor may have taken files from its network. An investigation determined that unauthorized activity occurred between January 21, 2026, and February 25, 2026, during which time certain files were copied from the company’s systems.
The information potentially impacted includes individuals’ names in combination with Social Security numbers and dates of birth. Additional data elements that may have been involved include taxpayer identification numbers, driver’s license or state-issued identification numbers, passport numbers, financial account information, payment card information, medical information, and health insurance information.
Data breaches involving sensitive personal identifiers and financial information present serious risks, including identity theft, financial fraud, and misuse of personal data.
Federman & Sherwood is actively investigating whether NCH Corporation implemented reasonable and appropriate cybersecurity safeguards to protect personal information and whether this data security incident could have been prevented. The firm is also evaluating potential legal claims on behalf of individuals affected by the NCH Corporation data breach.
NCH reported that it has enhanced its security measures, notified law enforcement, and is offering affected individuals complimentary identity monitoring services through IDX.
Consumers who received a notice regarding the NCH Corporation data breach or who believe their personal information may have been compromised are encouraged to monitor their accounts and credit reports for suspicious activity.
The potentially impacted information may include:
- Name
- Social Security number
- Date of birth
- Driver’s license number
- Passport number
- Financial information
- Medical information
- Other sensitive information
What is NCH Corporation?
NCH Corporation is a global manufacturer and marketer of industrial maintenance, repair, and overhaul (MRO) products, specializing in water treatment, industrial cleaning, and lubricants.
Individuals affected by the NCH Corporation data breach may have legal rights and are encouraged to contact Federman & Sherwood to learn more about their options.
Contact Information
Phone: 1-800-237-1277 | Email: info@federmanlaw.com